Patents by Inventor Isao Sogou

Isao Sogou has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7070859
    Abstract: A laminate which is excellent in appearance, adhesion, scratch resistance, abrasion resistance and hot water resistance and has a high level of weatherability and excellent durability, and an acrylic resin composition and an organosiloxane resin composition both of which can be used for the manufacture of the above laminate and have excellent storage stability. The laminate comprises a polycarbonate substrate, a first layer formed on the surface of the polycarbonate substrate, and a second layer formed on the surface of the first layer, wherein the first layer is composed of a crosslinked acrylic copolymer and an ultraviolet light absorber, and the second layer is composed of a crosslinked organosiloxane polymer; and the crosslinked acrylic copolymer comprises specific recurring units and an urethane bond in a specific ratio, and the organosiloxane polymer has a specific structure composed of colloidal silica and alkoxysilanes.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: July 4, 2006
    Assignee: Teijin Chemicals, Ltd.
    Inventors: Yoshihiko Imanaka, Shunsuke Kajiwara, Tatsuya Ekinaka, Toshio Kita, Takehiro Suga, Ryou Niimi, Isao Sogou
  • Publication number: 20040247878
    Abstract: A laminate which is excellent in appearance, adhesion, scratch resistance, abrasion resistance and hot water resistance and has a high level of weatherability and excellent durability, and an acrylic resin composition and an organosiloxane resin composition both of which can be used for the manufacture of the above laminate and have excellent storage stability.
    Type: Application
    Filed: February 19, 2004
    Publication date: December 9, 2004
    Inventors: Yoshihiko Imanaka, Shunsuke Kajiwara, Tatsuya Ekinaka, Toshio Kita, Takehiro Suga, Ryou Niimi, Isao Sogou